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4542234181 is a prime number
BaseRepresentation
bin1000011101011110…
…01111111001000101
3102201120000101220121
410032233033321011
533300302443211
62030415501541
7220363232152
oct41657177105
912646011817
104542234181
111a20a77851
12a692278b1
13575073244
14311381229
151b8b82271
hex10ebcfe45

4542234181 has 2 divisors, whose sum is σ = 4542234182. Its totient is φ = 4542234180.

The previous prime is 4542234167. The next prime is 4542234187. The reversal of 4542234181 is 1814322454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3110292900 + 1431941281 = 55770^2 + 37841^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542234181 - 29 = 4542233669 is a prime.

It is a super-2 number, since 2×45422341812 = 41263782710089481522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4542234187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271117090 + 2271117091.

It is an arithmetic number, because the mean of its divisors is an integer number (2271117091).

Almost surely, 24542234181 is an apocalyptic number.

It is an amenable number.

4542234181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542234181 is an equidigital number, since it uses as much as digits as its factorization.

4542234181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 34.

The square root of 4542234181 is about 67396.0991526958. The cubic root of 4542234181 is about 1656.1125198979.

The spelling of 4542234181 in words is "four billion, five hundred forty-two million, two hundred thirty-four thousand, one hundred eighty-one".